Overloading: The function name is the same but the parameters and returns type changes.Since we will get to know the difference between the overloaded functions during compile time, it is also called Compile time polymorphism. Syntax: DataType Functionname (parameter list) {Function body} Example #1. Constructors can be overloaded in a similar way as function overloading . Function overloading should not be confused with forms of polymorphism where the choice is made at runtime, e.g. Here is the C++ code to demonstrate function overloading by changing the number of arguments in C++ programming:. Function Overloading in C++. the advantage of templates in a situation where you want to do the same set of operations on many different data types, is that the compiler will handle for you at compile time any possible new type you may create in the future that uses the templated function. It can be considered as an example of polymorphism feature in C++. Let’s begin this by having the basic definitions for Overloading and Overriding in C++. Introduction to Overloading and Overriding in C++. Operator overloading is an important concept in C++.It is a type of polymorphism in which an operator is overloaded to give user defined meaning to it. Overloaded operator is used to perform operation on user-defined data type.For example '+' operator can be overloaded to perform addition on various data types, like for Integer, String(concatenation) etc. C++ programming function overloading. Introduction. ; It allows you to use the same function name for different functions in the same scope/class. Overloading Functions in C. It is well known that C++ allows one to overload functions, and C does not. Overloaded constructors have the same name (name of the class) but the different number of arguments. This is typically done by "mangling" the name of a function, and thus including the types of its arguments in the symbol definition. As we know that functions are the piece of code that can be used anywhere in the program with just calling it multiple times to reduce the complexity of the code. If two or more functions have same name but different parameters, it is said to be Function Overloading. Example: Function overloading in C++. In the above functions overloading program, three functions are defined with the same name “sum”. Function overloading is normally done when we have to perform one single operation with different number or types of arguments. In POP, we can use as many functions as per need, however, the names of the function shouldn’t match. Each variant of an overloaded function will then obtain a different symbolic name for the entry point. When the function “sum” is called by passing three integer values parameters, the control will shift to the 2 nd function that has three integer type arguments. C++ Function Overloading - If a C++ class have multiple member functions, having the same name but different parameters (with a change in type, sequence or number), and programmers can use them to perform a similar form of operations, then it is known as function overloading. C++ Function Overloading Tutorial - C++ allows you to specify more than one definition for a function name or an operator in the same scope, which is called function overloading and operator overloading … The following example shows how function overloading is done in C++, which is an object oriented programming language − #include int Volume (int s) {// Volume of a cube. C++ provides new feature that is function overloading. [code]/*datatype functionname() { ... } datatype samefunctionname(< different parameters/different number of parameters >) { ... } */ [/code] through virtual functions, instead of statically. In this tutorial, we will learn about constructor overloading in C++ with the help of examples. 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